Bmw Whistling Noise At Idle

You can hear, and see on the display, the IAC opening up. now about the loud whistling noise. My car is making a high pitched whistling/screeching noise at idle only and I can't seem to figure out what it is. All of the research I've did is all over the place from a nicked prop to bearing failure, the majority said it was normal. See real-world BMW 5-Series repair histories as reported by other BMW 5-Series owners. The car was. Vibrations go away for short periods of time (few min). I have an intermittent squeal / high pitch whistling sound that seems to be coming from behind the engine trans / driveshaft area perhaps, particularly in the lower gears when I put a load on via accelerating or even pulling a hill in 9th around 45 mph. 00 and a new idle air control is like $150 at the lowest. The sound you are hearing is air leaking across a damaged gasket or a warped sealing. Car is 3 yrs old approved BMW used with ~ 60k miles. Sounds vacuum related, and has something to do with the throttle plates, no whistle at idle, only when plates just start to open. Free steam locomotive sound effects in wav and mp3 formats The sound of a steam locomotive whistling and passing by Keywords: wav 6. my 04 extra cab has a 2. Whilst driving under any sort of load the noise goes and the car appears to drive ok. Top 10 Causes of a Rough Idle | JL Motorworks. To stop this noise, car owners should inspect electrical wires and connections. Cleaning an idle air-control valve can keep you from buying a new part, but only certain idle air-control valves can be cleaned. It almost sounds like there is a whistle stuck in the intake somewhere and you can hear it when you rap the throttle. I hear clear whistling sound that sounds like a bird from or around the engine area and this sound disappears after driving for a while. I have a 1996 Nissan Maxima that is making a whistling sound while at idle. Q: Whistling sound coming from underneath hood. I had an '08 3. Fortunately, however, replacement of these parts shares a common labor sequence outlined here. It sounds like compressed air is escaping somewhere. Codes were pulled: P1017, P316a, P0174. mp3 916 KB. There are no check lights on the dash either. It is NOT a diff noise which is more of a whine than a whistle and road speed dependent, not engine speed dependent. 2011 328i "Kettle whistling" sound at idle. 2008 bmw 328i. See real-world BMW 5-Series repair histories as reported by other BMW 5-Series owners. • The coolant shaft seal (higher pitched whine, typically heard at idle only with engine. The Bmw this time around was a bit. Something to do with the off idle circuit in the carb?. Any suggestions? Engine is a BMW M54B30 3. Engine Stalling Due to Failed Crankshaft and/or Camshaft Sensor The engine may stall when the engine is warmed up. I can turn the engine off and back on and it goes. The vehicle was towed to an authorized dealer who replaced the fuel pump. MA is also "authorised" workshop to claim BMW warranty. My '86 has a cone air filter behind a hotwire afm and I can hear a whistle at idle. High pitch whistle at idle--- turbo? TDI 101. • Noisy water pump bearing (rattle or growl). However, there is no auto shop in town that can fix it. NO check engine light, codes, idle or driveability problems. Turbo diesels will always make a whistle noise BUT if the noise has got louder all of a sudden it's poss an intercooler leak , or a split it an air pipe , this will def be the case if the car. Bmw weird whistle/ whine when accelerating? Even when revving in idle. all bmw's, at least all the e46's i sat in have the same whistle. > I seem to recall something about blocked or non-oem tranny filters causing a whistling noise. Anyone have any thoughts about it. This is typically when the car is warmed up, cruising in higher gears (let's say 3 and up), and lifting slightly from a steady cruise. 4L 2V engine Operation Labor Description Vehicle Time may exhibit a “whistling” noise from the. I was experiencing a really rough idle/vibration and a little hesitation. The 2007 BMW X3 recently purchased from Fort Lauderdale BMW creates a very annoying loud ringing noise at speeds between thirty five (35) and forty two (42) mph. If the 'Check Engine' indicator on your vehicle glows continuously, a possible cause may be a malfunction in the idle air control valve. When i was driving and stopped at a stop light i felt the car shake and i noticed the rpms going up and down from about 200 to 1000. I heard this is very popula. It just started after 2. Fitted with a supercharged 6. You might want to check it out to see if it is correctly tensioned. Bunch of PSU's quick review - audibility & noise [cracking, whistle, hiss, whine] Power Supplies. Car is 3 yrs old approved BMW used with ~ 60k miles. I just could not hear that noise outside the car. Hi everyone, I'm new here and this is my first post so be gentle ,I'm not getin much help elsewhere so maybe it's a uk thing,. but I have no luck. Just purchased 06 KS, 11,000 mi. The only noise i can compare it to is the sound an after market cold air intake whistling noise. The Bmw this time around was a bit. The N55 was BMW's first straight-six engine to use a twin-scroll turbocharger. It only happens when warm and if I increase the RPMs, either in neutral or in drive, the sound stops. The noise seems to come after the car has been sat for a while, mainly afterwork on the drive home. It almost sounds like there is a whistle stuck in the intake somewhere and you can hear it when you rap the throttle. Turbo diesels will always make a whistle noise BUT if the noise has got louder all of a sudden it's poss an intercooler leak , or a split it an air pipe , this will def be the case if the car. Test drove for about 30-45 minutes with no problems. It is vaguely reminiscent of an old VW, or even a quiet truck turbodiesel when it is at it's worst. Remedy: A new style idle control valve part number 13 41 1 435 846 should be installed. I've sprayed all spots with carb cleaner and can't get the idle to change. When diagnosing the problem and the cause of the whining noise, take note of when the sound is occurring, such as when the engine is idle, when shifting gears, when driving at. I drop her off with my mechanic who would check it out in the morning. As the oil passes through / over the filter, it creates a whining / whistling sound that is very audible at idle. Sounds almost like a small vac leak or a belt idler. The noise goes away when accelerating the engine, but when the throttle is released it comes back and is worst at idle. Ok, my car started to make a whistling sound while accelerating. I went out with a drive with bmw engineer and they also heard the whistling type noise. This means that the ability to write new posts and access various member features will go away. The noise comes from the front dash right at the air vent. I can't imagine Mercruiser or any decent manufacturer would allow a sound as loud as this to be normal. 4l 2v—idle-air bypass flow induced whistle •noise—idle-air bypass flow induced whistle—vehicles equipped with 5. 2008 bmw 328i. I recently noticed a noise in my engine. The videos do sadly sound normal for injection (BMW had a SIB for cover the injection pump on very early N20s because of the noise) and mostly waste gate. but i have a brand new rack w power steering pump i check the idler pulleys for both the power steering and ac compressor they are not the culprit either i took each belt one at a time an tested while idling alternator is good ac compressor is good and power steering my only thought could be. Many carbs""whistle" while idling--the venturi and butterflies restict the airflow like you lips when you "pucker up". If you don't hear any noise during these four steps, then your problem is probably not the clutch. Solved: Whistle / High-pitched noise at idle I couldn't find another post that pinpointed it, but a lot of other posts said to check for vacuum leaks. Free steam locomotive sound effects in wav and mp3 formats The sound of a steam locomotive whistling and passing by Keywords: wav 6. Try this: When you start the engine, at idle, plug up the exhaust pipe with a cloth some seconds to silence almost totally the sound, I think you will hear the whistle sound basically from the alternator while charging (louder after starts when cold) and another mechanisms. The best way i can describe the noise is a low pitched whistle, almost similar to turbo spool, or sometimes the sound you get from an aftermarket intake. Hi everyone, I'm new here and this is my first post so be gentle ,I'm not getin much help elsewhere so maybe it's a uk thing,. I hear clear whistling sound that sounds like a bird from or around the engine area and this sound disappears after driving for a while. Recently, I've started noticing the slight whistling sound of the turbo on my '14 under moderate acceleration, which I hadn't noticed before. 9648, email us, or live chat for expert assistance. I thought my friend's legends idled smooth as a lexus. Sounds vacuum related, and has something to do with the throttle plates, no whistle at idle, only when plates just start to open. Buy Used BMW 3 Series Online in Bengaluru - Cars24 offers Second Hand BMW 3 Series for Sale in Bengaluru at the best price. I was told it was maintained very well, including servicing at Motorwerks BMW, (a dealership in the twin cities) oil changes using synthetic oil, and fueling with 92 octane fuel. Codes were pulled: P1017, P316a, P0174. This one is much closer to a whistle, actually like someone else said, more like a squealing belt. My 2001 Infiniti QX4 has started making this annoying whining noise when first started in the morning. Rough idle problems are really common on BMW E36 cars and there are a lot of problems that may cause this to appear. fuel pump going bad if you hear humming noise? hello after searching the forums, seems there's a general consensus that if your fuel pump starts making a loud humming noise, that it's on its way to failure and should be replaced. now about the loud whistling noise. There are currently 133 responses to "Cleaning E36 ICV (Idle Control Valve). I got it with only 78k mileage on the clock with FSH and now i have 90k on the clock with a due service in the next month or two i think! My only problem is my engine has started to make a whistling noise and it's driving me nuts!!!. 0L Power Stroke Diesel - Whistle at Idle - What is causing this? - I have a 2005 6. Many carbs""whistle" while idling--the venturi and butterflies restict the airflow like you lips when you "pucker up". The "progressive bore" (whatever that means) tb's that dodge use tend to make a whistling noise just off idle. The filler cap was very difficult to remove. Damage to the car's carburetor and vacuum hoses can cause the engine to misfire, resulting in a rough idle. Download Loud Whistle Whistling sounds 686 stock sound clips starting at $2. 2008 bmw 328i. Despite all this, the engine still runs rough and I have to fight to keep it idling. Replacing the crank seal may have fixed part of the problem. I have a video, but the noise is so faint, you can barely hear it. I heard this is very popula. Opened up the bonnet today to notice a whistling sound coming somewhere on the right hand side facing the engine bottom area. Try this: When you start the engine, at idle, plug up the exhaust pipe with a cloth some seconds to silence almost totally the sound, I think you will hear the whistle sound basically from the alternator while charging (louder after starts when cold) and another mechanisms. Whistle Sound When Accelerating! Quote; Post by jcgreenleaf » Sun Feb 09, 2003 2:31 pm. The computer controls it I'm told. The Bmw this time around was a bit. In my research, these were symptoms for CCV replacement. As this happens pressure and velocity increases, therefore increasing the sound level (that's the sound you hear). It goes away when I accelerate; but at cruise or idle; the whistle is there (also when the vehicle is in park). I also heard a loud whistling noise. Not consistant. 3 psds that whistle at idle like a 6. I have a 2016 6. I have an intermittent squeal / high pitch whistling sound that seems to be coming from behind the engine trans / driveshaft area perhaps, particularly in the lower gears when I put a load on via accelerating or even pulling a hill in 9th around 45 mph. It goes away completely when the clutch is pressed down. My 2007 Volvo S40 T5 AWD has an engine whistle at idle, but it stops momentarily when I turn the stearing wheel left or right, then comes back. Brake noises can be annoying, but can also alert us of an upcoming danger. Whistle idle is back with Warp Custom Tuning! Double R Diesel - Customer Spotlight. Rough idle , and slight whistling noise 2 Answers. When it sticks, it cannot control the idle of the car--it might make the car idle at a very high RPM or, in most cases, make the car stall at a low RPM. ,goes away while driving. It's best to. My BMW 520D M Sport (58 plate) is amazing, i've had it nearly 9 months now. Proceed to the next tip if the noise is still present. I have just done 500 miles in it and have noticed a whistling noise that seems to be getting worse. I have that, as well as when at idle or accelerating, and it disappears when A/C is off. The audio turned out OK, you can hear the whistling sound the best at 25seconds and thru the. The computer controls it I'm told. I have an E90 N51 (SULEV) and this is the 2nd time this whistling sound along with rough idle has happened. BMW forums for BMW owners. That increase of pressure could be what's causing the whistling sound. The noise comes from the moonroof. If the engine idles abnormally high when you first crank it up, then the malfunction is definitely in the idle system. I searched the forums a bit and didn't find much. It'll be tomorrow night before getting to the shop to adjust the idle, but have my old housing here at the house. When you let your foot off the gas to coast and then start accelerating, is when the noise starts. what whistle are you referring to. Sounds vacuum related, and has something to do with the throttle plates, no whistle at idle, only when plates just start to open. Test drove for about 30-45 minutes with no problems. At idle the turbo only produces a couple pounds of boost, so unless the compressor or turbine is rubbing its housing, I doubt thats the noise. The dealer has. BMW 2002 and other '02 ; Whistling sound from cold air intake the idle speed whenever you hit the leaky spot. Mentioned about the self cleaning, but it's not that. Other causes of a whistling sound could be a vacuum leak, or sticking idle control system. The fan belt can cause a whistling noise while running. I would say it is turbo related. When at idle with clutch out you can hear what i would say is a rough bearing not real bad but it is noticeable. First I will show you a video of such a rough idle and then list the possible problems that may cause that. It doesnt grab that well, so i know that needs to be replaced. I took it to the garage for diagnoses and was told the oil level sensor was faulty and that the reason for the smoke was because I was using the wrong fuel ( Was using regular unleaded instead of the recommended premium high octane fuel). Why does my bmw engine make a high pitched noise? this noise only happens when the engine has been running for a while. At the same time as my clutch replacement, I also installed group N motor mounts, group N tranny mount, kartboy tranny cross member bushings, kartboy pitch stop, and kartboy shifter bushings. 8T Discussion - Intermittent whistling noise coming from engine - 2004 A4 Quattro 1. This TSB addresses a "whistle noise when hot at an idle in all gears. Whistling noise when not accelerating and at idle 05-01-2010 02:12 PM #1 When I would accelerate, the noise would go away but when coasting, it could be heard again. •driveability—5. When I turn the car off the noise stops but when I turn it back on and drive for about 5 mins the sound comes back and it's very loud. Let the engine idle for 15-30 seconds and reevaluate whether the noise is still present or not. My 2004 F115 runs fine and has a good cooling water stream. 5 has a new odd thing going on, a strange whistling noise which is loud at idle and the idle is rough too so the engine lite came on. I would have bet my left nut that it was a vacuum leak (explains the rough idle)but then I noticed that it makes that whine with the car off and key in position 2. Rough idle , and slight whistling noise 2 Answers. Download Loud Whistle Whistling sounds 686 stock sound clips starting at $2. A loud, blowing or high pitched chirping sound in the summer is perfectly normal. For the last few weeks, I've noticed a whistling sound coming from the front, possibly passenger side, of the car when accelerating normally. A whistling noise coming from your vehicle can also have a number of other causes, including: • Exhaust gasket vibration - as parts become loose and rub against each other, they can create a buzzing noise that's reminiscent of a turbo whistle • Exhaust gasket leak - the noise could be the exhaust gases leaking through a gap or tear. I did some hard researching on the ICV on the E36's and found out that they do create a whistling noise and rough idle due to adverse tolerances (wear between the valve itself and the plastic casing where it seals to, creating an internal vacuum leak) and it cannot be fixed, you have to replace it. I searched the forums a bit and didn't find much. The objective here was to create a purist, subtle engine sound, reminiscent of that of racing. I did some hard researching on the ICV on the E36's and found out that they do create a whistling noise and rough idle due to adverse tolerances (wear between the valve itself and the plastic casing where it seals to, creating an internal vacuum leak) and it cannot be fixed, you have to replace it. I said that this is new. When the car is making the whistling noise, there is a high vacuum present on the oil cap hard to open - when opened sucks air and whistling goes away. See real-world BMW 5-Series repair histories as reported by other BMW 5-Series owners. (odd sounds drive me nuts, I "blame" my dad who had me searching in his car when he heard something odd ;} # iBMW # maroon #whistle#sound # BMW # Motorrad # r1200c # cruiser # BMWCruiser # 2cylinder # boxer # engine # chromehead #007 # Beemer # NOTBimmer. Just purchased 06 KS, 11,000 mi. i had a new alternator and new belt put on about 3-4 weeks ago i also washed some of the plastics (painted) underneath the hood tues afternoon dunno if either of those could be the reason, or if any of you have ever heard it, any help would be appreciated. Why does my bmw engine make a high pitched noise? this noise only happens when the engine has been running for a while. what is the problem??. • Noisy water pump bearing (rattle or growl). It rarely does it at idle but above this it is noticeable at all speeds /revs. Pay attention to low idle or stalling. Once past a certain point, opening size between plate and body becomes large enough, it won't produce the sound, vacuum will have dropped some as well. Pay attention to low idle or stalling. All kinds of automobile sounds. When I hit the gas the whistle noise got louder under acceleration. Hi everyone, This is my first post on bimmerforums and I have a problem with my 2005 325Xi I'm hoping you can help me with. So this morning when I started my truck in the early morning it was making a whistling/chirping noise while idle. Hi everyone. GM has issued service bulletin #PI0850A to address trouble code P0171, a rough idle and a whistle noise coming from the engine on the vehicles listed below. all bmw's, at least all the e46's i sat in have the same whistle. Race cars, hot rods, NASCAR, drivebys, engine starts. Texas Todd. Are you looking for a BMW x5 CCV replacement for your vehicle? If so, the good news is that you don’t have to spend loads of money to buy an entire new cover anymore- we offer exclusive membranes for N51, N52, N52N, N52K, N53 valve covers for 11127548196, 11127552281 BMW. I just bought a new car 2 weeks ago (2008 325i m-sport) car has been great and I love everything about it, however I have noticed a strange humming type motor-ish noise coming from the car when idle and revs at 1000rpm, it wasn't much of an issue when I first noticed. Introduction. I'm just not able to "catch" that whistle sound, maybe have dealer listen to it. almost sounds like a turbo spooling up :-/ lubed teh belt doesnt change it. It is NOT a diff noise which is more of a whine than a whistle and road speed dependent, not engine speed dependent. See real-world BMW 5-Series repair histories as reported by other BMW 5-Series owners. Some people suggest checking ground connections, and possibly a draw from a low battery or battery that is on the way out. The audio turned out OK, you can hear the whistling sound the best at 25seconds and thru the. , Automotive, 6 replies My 1990 Suburban makes a clicking-clacking noise at idle. almost sounds like a turbo spooling up :-/ lubed teh belt doesnt change it. It'll be tomorrow night before getting to the shop to adjust the idle, but have my old housing here at the house. Question is, should I let it go or try to insist that this "noise" isn't normal?. The whistling noise is most noticeable when im accelerating and is a little noticable when im idling. 7L diesel engine may exhibit a fuel knock type noise at idle, illuminated MIL with one or more of the following DTCs: P0263, P0266, P0269, P0272, P0275, P0278, P0281, P0284, P02DA, P02DB, P02D0, P02D1, P02D2, P02D3, P02D4, P02D5, P02D6, P02D7, P02D8, P02D9, P02CC, P02CD, P02CE and/or P02CF stored in powertrain control module memory. If the whistle persists, then it's not caused by engine or transmission components. lol i bought myself one and joint the lifter club. It is vaguely reminiscent of an old VW, or even a quiet truck turbodiesel when it is at it's worst. They said it was fine nothing they could find. Car is 3 yrs old approved BMW used with ~ 60k miles. What causes a screeching and whistling sound in a BMW 528i - Answered by a verified BMW Mechanic We use cookies to give you the best possible experience on our website. 2-litre LT4 V8, the ZL1 burbles like molten lava at idle, before erupting into a volcanic display of raw power and noise. The fan belt can cause a whistling noise while running. Twist them in farther to make the noise go away then order a new IAC from Autozone or the dealer. My BMW 520D M Sport (58 plate) is amazing, i've had it nearly 9 months now. Free car sound effects. Whistle sound after idle adjustment - normal??? Howdy guys, This is a follow up to earlier posts about idle adjustment, and I thought I would start a new discussion to get better visibility to this iquestion. This TSB addresses a "whistle noise when hot at an idle in all gears. like 15-20 minutes. 5n/a uel headers 118k im stumped tried searching but cant find anything. This is common where non genuine filter elements (which are a little taller than the genuine ones) are used. Whilst driving under any sort of load the noise goes and the car appears to drive ok. I replaced the spark plugs and air filter (both were needed anyway) with no change in the vehicle's behavior. Engine runs rough during idle. Whistle idle is back with Warp Custom Tuning! Double R Diesel - Customer Spotlight. Eddie spent 35 years in the automotive business with Honda. The R1200GS idle sync has no adjustment like the 1150 had. Welcome to Fiat 500 Forum : US Fiat 500 Cinquecento Forums - a website dedicated to all things Fiat 500. i checked other posts and water pump failure could. above that speed the road noise seems to mask it. whistle sound from Engine in a low speed. Interestingly my idling has been fluctuating a lot in the same time frame and I was reading about the idle control valve going bad as a reason for the fluctuating idling. Solved: Whistle / High-pitched noise at idle I couldn't find another post that pinpointed it, but a lot of other posts said to check for vacuum leaks. It changes in pitch depending on engine RPM. Just got the car back from the dealership, a sound is still there, I can no longer call it a whistle as now it sounds kind of like a intermintent squeak it has a pattern its not a constant one note type of sound, and the sound goes away when I rev the engine. as the car slowed down the whistle noise would start changing in pitch as the car came to a stop. My power steering belt and alt belt are tight. 3L) and it makes a whistle sound right after I give it some throttle. 7L diesel engine may exhibit a fuel knock type noise at idle, illuminated MIL with one or more of the following DTCs: P0263, P0266, P0269, P0272, P0275, P0278, P0281, P0284, P02DA, P02DB, P02D0, P02D1, P02D2, P02D3, P02D4, P02D5, P02D6, P02D7, P02D8, P02D9, P02CC, P02CD, P02CE and/or P02CF stored in powertrain control module memory. I was told it was maintained very well, including servicing at Motorwerks BMW, (a dealership in the twin cities) oil changes using synthetic oil, and fueling with 92 octane fuel. At idle the turbo only produces a couple pounds of boost, so unless the compressor or turbine is rubbing its housing, I doubt thats the noise. In either drive or park it was jumping between 1000 and 1400 rpms. Does anyone know where I can purchase a printed repair manual for a 05 R1200 GS? Thanks, wcycle. Put the car in neutral at 50 MPH and let the engine drop to idle. A whining noise at idle. The computer controls it I'm told. PML sells BMW car except ///M MA sells BMW car ///M only both are BMW authorised dealer and MA can service & repair all cars sold by PML under warranty (3 years) btw, you can PM M-Nut in the forum. Re: High pitch whining noise while driving my X1 no need. almost sounds like a turbo spooling up :-/ lubed teh belt doesnt change it. As the oil passes through / over the filter, it creates a whining / whistling sound that is very audible at idle. Fitted with a supercharged 6. When I hit the gas the whistle noise got louder under acceleration. Jack Blocks. They said it was fine nothing they could find. A subsequent examination of the FSM reveals that the two ground wires for the logic module pass through this connector. I am not sure what you can do but I have an BMW 320D E60, turbo is failed, on idle there is a smoke. Other causes of a whistling sound could be a vacuum leak, or sticking idle control system. Edmunds' expert review of the 2018 BMW X3 provides the latest look at trim-level features and specs, performance, safety, and comfort. I managed to capture this noise with my cell phone, shown in the video below (you might need to turn the volume up a bit). In my research, these were symptoms for CCV replacement. Texas Todd. To be more exact this started happening after I was diagnosing something else and did two thing:. In order to get the engine to run at all, I have to turn the idle up which makes it run way too fast when the car is in "Park" The engine smooths out when you give it gas, and makes a whistling sound when you rev it. The temp on all motors feel the same. rough clanging noise and whistling. There is a light plasticky ticking noise sometimes at idle, from the middle to left hand side of the engine bay (left whilst sitting in the car). The local dealer had identified the problem fairly quick. The whistling sound is not directly related to the high rpm or rpm in general. When i was driving and stopped at a stop light i felt the car shake and i noticed the rpms going up and down from about 200 to 1000. I can't tell if it is a normal sound or what but it doesn't sound normal. The cars engine idle note didn’t seem quite right. 1 On September 29th, 2008, Vidma said:. They said it was fine nothing they could find. That increase of pressure could be what’s causing the whistling sound. When I first got my SI, I could barely hear the turbo (it was a very quiet, high-pitched whistle). It just started after 2. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. also, there is a little intake whistling noise as well. Make your vehicle exhaust sound like it has aturbo system orblow off valve. It wasn't present before. I'm currently on a quest to eliminate the problem in my house (just had new water heater installed about a month ago, sounds like a choir of banshees when the water. The 3-series has a bigger trunk that can be opened or closed hands-free. I have an intermittent squeal / high pitch whistling sound that seems to be coming from behind the engine trans / driveshaft area perhaps, particularly in the lower gears when I put a load on via accelerating or even pulling a hill in 9th around 45 mph. 3L) and it makes a whistle sound right after I give it some throttle. If the 'Check Engine' indicator on your vehicle glows continuously, a possible cause may be a malfunction in the idle air control valve. In order to get the engine to run at all, I have to turn the idle up which makes it run way too fast when the car is in "Park" The engine smooths out when you give it gas, and makes a whistling sound when you rev it. Recently I began to notice a different sound at certain times. Whistling noise when not accelerating and at idle 05-01-2010 02:12 PM #1 When I would accelerate, the noise would go away but when coasting, it could be heard again. THE Chevrolet Camaro ZL1 sounds otherworldly. I've already reinstalled everything from throttle body to filter box, with the noise sticking around. Step 3 is to find a similar car noise from our car noise library. The whistling when it was happening definitely sounding like it was coming from under the bonnet, when you turned the car over you could hear it and when revving the car the noise was also apparent but either way it seems to be gone for now. The whistling sound is not directly related to the high rpm or rpm in general. Engine runs rough during idle. made available for personal non-commercial projects. Also, see repair breakdown by problem area and cost. Some days are dedicated to certain themes, see below. Turbo diesels will always make a whistle noise BUT if the noise has got louder all of a sudden it's poss an intercooler leak , or a split it an air pipe , this will def be the case if the car. He is an ASE Certified Master Technician and has bruised knuckles to prove it. BROWSE NOW >>>. Interestingly my idling has been fluctuating a lot in the same time frame and I was reading about the idle control valve going bad as a reason for the fluctuating idling. That increase of pressure could be what's causing the whistling sound. Though I don’t know if it’s the air vents that are causing the problem. I've owned 3 BMW's with turbo 6's, '08 335i (N54) and '11 and '14 535i's with the N55 engine. Its not a constant whistle, it would be a whistle as if you were whistling a tune ie it breaks up. (Don't turn off the engine entirely or your power steering and brakes will lose boost. Can start to hear a whistling noise at idle. OP, I have had the same whistling sound upon accelerations for the last few months. If you own a car, it probably makes noises you can't identify, but would love to fix. The "progressive bore" (whatever that means) tb's that dodge use tend to make a whistling noise just off idle. About 2 wks ago it starting having a whistling noise when I would turn exhaust brake on whick still does, and now a slightly lower whistling noise at idle. Lock down the crank and camshafts and confirm timing is ok. Recently I began to notice a different sound at certain times. This WheelZine article tries to list down the possible signs and symptoms of a bad idle air control valve. It almost sounds like there is a whistle stuck in the intake somewhere and you can hear it when you rap the throttle.